Zoo 1 (2) Flashcards
Tape wporm phylum name
genus name
tissue organzation
body cavity
Flatworm
tape worm
tripoblast
acoelomate
Nematoda reproduction
Sexually
The most common nematoda caused disease
trichinosis
Where does the trichinella like
intestine of pigs
What infects the human intesstine
Ascaris
The largest intestinal roundworm
Ascaris lumbricoides
The two pseudocoelomates ( Nematoda)
trichinella and ascaris
Round worm
symmetry
tissue organization
body cavity
Bilateral
tripoblast
pseudocoelomate
Coelomate earliest animals
mollusca, annelids
Mollusca and annelids are
protostomes
Mollusks symmetry
Bilateral
Mollusk digestive, excretoy and reproduction organs are located
Visceral mass
What is the protective shell
Mantle
What do aquatic molluska engage in
external fertilization via broadcast spawning ( they release into the water )
Snails, slugs, limpets class
Gastropoda
Clams, oyster, scallop class
Bivalvia
Squid, octopuses, cuttlefish class
Cephalopoda
The most abudant class of molluska
Gastropoda
closed shell can be called
operculum
3 classes of molluska
Gastropoda, bivalva, cephalopoda
Molluska
Symmetry
tissue organization
body cavity
Bilateral
Tripoblast
Pseudocoelomate
Where do cephalopods take water
siphon
How do cephalopods protect their selves
They shoot water quickly
How are they able to change color
Chromatophores